Home / 101,489.07-140,052.06-56,168.94

Finding the Fourth Proportional to 101,489.07, 140,052.06 and 56,168.94

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Solution

The fourth proportional to 101,489.07, 140,052.06 and 56,168.94 is: 77,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,489.07 : 140,052.06 = 56,168.94 : x
  2. Step 2: Convert to fraction form
    101,489.07/140,052.06 = 56,168.94/x
  3. Step 3: Cross multiply
    101,489.07x = 140,052.06 × 56,168.94
  4. Step 4: Simplify right side
    101,489.07x = 7,866,575,755.02
  5. Step 5: Solve for x
    x = 7,866,575,755.02/101,489.07
  6. Step 6: Final answer
    x = 77,511.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.